Xperia x10 owners around the net here is your good news, cyanogenmod is here. And there is another one, MiUi 1.12.23 pRiMe 7 for your device with new lock screen. It is a gift from XDA member forum, Oodie, to port the Android MiUi to your Xperia x10 and supports English language only.

And this update brings what could be your favorite features:

-Miui 1.12.23 Added
-ICS animations added ( Use spare parts to slow down Transition Animations )
- Guess what there is a new theme included for Prime.
-fix for HW Led

So you want to install MiUi to your Xperia x10? Then follow these steps: